has already deployed an fbi investigation team that is trying to track al-qaeda sympathizers who are thought to have turned the benghazi demonstration into a violent one. intelligence officials are also reviewing telephone records and computer traffic. libyan law enforcement agencies say some arrests have already been made. >>> this morning, we are also getting a look at the ruins of the u.s. consulate in benghazi, libya, where ambassador chris stevens and the three other americans were killed. coming up at 7:15, how a note found in the debris is shedding light on stevens' mission in libya. >>> in overnight news, san francisco police are investigating a homicide. it happened in the bayview district early this morning. police say they responded to a report of shooting just after 1:30 at osceola lane and lasalle avenue. police haven't released details on the victim or suspects. >>> highway 1 in san mateo county is back open this morning after a fatal crash there shut down part of that roadway for several hours. that crash was reported just before 101:30 last night. so far, no word on t